Search a number
-
+
430231034 = 2215115517
BaseRepresentation
bin11001101001001…
…100110111111010
31002222120000000202
4121221030313322
51340114343114
6110405202202
713442621612
oct3151146772
91088500022
10430231034
11200943a42
12100100362
136b19779c
14411d3a42
1527b85cde
hex19a4cdfa

430231034 has 4 divisors (see below), whose sum is σ = 645346554. Its totient is φ = 215115516.

The previous prime is 430231007. The next prime is 430231063. The reversal of 430231034 is 430132034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430132034 = 2215066017.

It can be written as a sum of positive squares in only one way, i.e., 292239025 + 137992009 = 17095^2 + 11747^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 430230997 and 430231015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107557757 + ... + 107557760.

Almost surely, 2430231034 is an apocalyptic number.

430231034 is a deficient number, since it is larger than the sum of its proper divisors (215115520).

430231034 is a wasteful number, since it uses less digits than its factorization.

430231034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215115519.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 430231034 is about 20742.0113296662. The cubic root of 430231034 is about 754.9193861563.

Adding to 430231034 its reverse (430132034), we get a palindrome (860363068).

The spelling of 430231034 in words is "four hundred thirty million, two hundred thirty-one thousand, thirty-four".

Divisors: 1 2 215115517 430231034